diff options
Diffstat (limited to 'java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/runtime')
2 files changed, 0 insertions, 455 deletions
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/runtime/DefaultDomainRegistryFactory.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/runtime/DefaultDomainRegistryFactory.java deleted file mode 100644 index 3240b4e50d..0000000000 --- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/runtime/DefaultDomainRegistryFactory.java +++ /dev/null @@ -1,156 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.core.runtime; - -import java.io.IOException; -import java.lang.reflect.Constructor; -import java.net.URI; -import java.util.ArrayList; -import java.util.Collection; -import java.util.HashMap; -import java.util.List; -import java.util.Map; -import java.util.concurrent.ConcurrentHashMap; - -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.LifeCycleListener; -import org.apache.tuscany.sca.extensibility.ServiceDeclaration; -import org.apache.tuscany.sca.runtime.DomainRegistryFactory; -import org.apache.tuscany.sca.runtime.EndpointListener; -import org.apache.tuscany.sca.runtime.EndpointRegistry; - -/** - * The utility responsible for finding the endpoint regstry by the scheme and creating instances for the - * given domain - */ -public class DefaultDomainRegistryFactory implements DomainRegistryFactory, LifeCycleListener { - private ExtensionPointRegistry extensionRegistry; - private Map<String, ServiceDeclaration> declarations = new HashMap<String, ServiceDeclaration>(); - private Map<String, EndpointRegistry> endpointRegistries = new ConcurrentHashMap<String, EndpointRegistry>(); - private List<EndpointListener> listeners = new ArrayList<EndpointListener>(); - - /** - * @param extensionRegistry - */ - public DefaultDomainRegistryFactory(ExtensionPointRegistry extensionRegistry) { - super(); - this.extensionRegistry = extensionRegistry; - } - - public void start() { - Collection<ServiceDeclaration> sds = null; - try { - sds = extensionRegistry.getServiceDiscovery().getServiceDeclarations(EndpointRegistry.class); - } catch (IOException e) { - throw new IllegalStateException(e); - } - for (ServiceDeclaration sd : sds) { - String scheme = sd.getAttributes().get("scheme"); - if (scheme != null) { - scheme = scheme.toLowerCase(); - } - declarations.put(scheme, sd); - } - } - - public synchronized EndpointRegistry getEndpointRegistry(String endpointRegistryURI, String domainURI) { - if (endpointRegistryURI == null) { - endpointRegistryURI = "vm://localhost"; - } - - String key = endpointRegistryURI + "," + domainURI; - - EndpointRegistry endpointRegistry = endpointRegistries.get(key); - if (endpointRegistry != null) { - return endpointRegistry; - } - - URI uri = URI.create(endpointRegistryURI); - String scheme = uri.getScheme(); - if (scheme != null) { - scheme = scheme.toLowerCase(); - } - - ServiceDeclaration sd = declarations.get(scheme); - - try { - Class<?> implClass = sd.loadClass(); - Constructor<?> constructor = null; - try { - constructor = implClass.getConstructor(ExtensionPointRegistry.class, String.class, String.class); - endpointRegistry = - (EndpointRegistry)constructor.newInstance(extensionRegistry, endpointRegistryURI, domainURI); - } catch (NoSuchMethodException e) { - constructor = - implClass.getConstructor(ExtensionPointRegistry.class, Map.class, String.class, String.class); - endpointRegistry = - (EndpointRegistry)constructor.newInstance(extensionRegistry, - sd.getAttributes(), - endpointRegistryURI, - domainURI); - } - } catch (Exception e) { - throw new IllegalStateException(e); - } - - if (endpointRegistry instanceof LifeCycleListener) { - ((LifeCycleListener)endpointRegistry).start(); - } - - for (EndpointListener listener : listeners) { - endpointRegistry.addListener(listener); - } - endpointRegistries.put(key, endpointRegistry); - return endpointRegistry; - } - - public void stop() { - declarations.clear(); - for (EndpointRegistry endpointRegistry : endpointRegistries.values()) { - if (endpointRegistry instanceof LifeCycleListener) { - ((LifeCycleListener)endpointRegistry).stop(); - } - } - endpointRegistries.clear(); - listeners.clear(); - } - - public synchronized Collection<EndpointRegistry> getEndpointRegistries() { - return new ArrayList<EndpointRegistry>(endpointRegistries.values()); - } - - public synchronized void addListener(EndpointListener listener) { - listeners.add(listener); - for(EndpointRegistry registry: endpointRegistries.values()) { - registry.addListener(listener); - } - } - - public synchronized List<EndpointListener> getListeners() { - return listeners; - } - - public synchronized void removeListener(EndpointListener listener) { - listeners.remove(listener); - for(EndpointRegistry registry: endpointRegistries.values()) { - registry.removeListener(listener); - } - } -} diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/runtime/impl/EndpointReferenceBinderImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/runtime/impl/EndpointReferenceBinderImpl.java deleted file mode 100644 index da5abeb728..0000000000 --- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/runtime/impl/EndpointReferenceBinderImpl.java +++ /dev/null @@ -1,299 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.core.runtime.impl; - -import java.util.List; - -import org.apache.tuscany.sca.assembly.AssemblyFactory; -import org.apache.tuscany.sca.assembly.Endpoint; -import org.apache.tuscany.sca.assembly.EndpointReference; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper; -import org.apache.tuscany.sca.monitor.Monitor; -import org.apache.tuscany.sca.monitor.MonitorFactory; -import org.apache.tuscany.sca.monitor.Problem; -import org.apache.tuscany.sca.runtime.EndpointReferenceBinder; -import org.apache.tuscany.sca.runtime.EndpointRegistry; - -/** - * An builder that takes endpoint references and resolves them. It either finds local - * service endpoints if they are available or asks the domain. The main function here - * is to perform binding and policy matching. - * This is a separate builder in case it is required by undresolved endpoints - * once the runtime has started. - * - * @version $Rev$ $Date$ - */ -public class EndpointReferenceBinderImpl implements EndpointReferenceBinder { - - protected ExtensionPointRegistry extensionPoints; - protected AssemblyFactory assemblyFactory; - protected InterfaceContractMapper interfaceContractMapper; - private Monitor monitor; - - - public EndpointReferenceBinderImpl(ExtensionPointRegistry extensionPoints) { - this.extensionPoints = extensionPoints; - - FactoryExtensionPoint factories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class); - this.assemblyFactory = factories.getFactory(AssemblyFactory.class); - - UtilityExtensionPoint utils = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class); - this.interfaceContractMapper = utils.getUtility(InterfaceContractMapper.class); - MonitorFactory monitorFactory = utils.getUtility(MonitorFactory.class); - monitor = monitorFactory.createMonitor(); - } - - - - /** - * Build a single endpoint reference - * - * @param invocable - * @param monitor - */ - public boolean bind(EndpointRegistry endpointRegistry, EndpointReference endpointReference) { - Problem problem = null; - if ( endpointReference.getStatus() == EndpointReference.WIRED_TARGET_FOUND_AND_MATCHED || - endpointReference.getStatus() == EndpointReference.RESOLVED_BINDING ) { - // The endpoint reference is already resolved to either - // a service endpoint local to this composite or it has - // a remote binding - - // still need to check that the callback endpoint is set correctly - if (hasCallback(endpointReference) && - endpointReference.getCallbackEndpoint() != null && - endpointReference.getCallbackEndpoint().isUnresolved() == true ){ - problem = selectCallbackEndpoint(endpointReference, - endpointReference.getReference().getCallbackService().getEndpoints()); - } - } else if (endpointReference.getStatus() == EndpointReference.WIRED_TARGET_FOUND_READY_FOR_MATCHING ){ - // The endpoint reference is already resolved to either - // a service endpoint but no binding was specified in the - // target URL and/or the policies have yet to be matched. - - problem = selectForwardEndpoint(endpointReference, - endpointReference.getTargetEndpoint().getService().getEndpoints()); - - if (problem == null && hasCallback(endpointReference)){ - problem = selectCallbackEndpoint(endpointReference, - endpointReference.getReference().getCallbackService().getEndpoints()); - } - - } else if (endpointReference.getStatus() == EndpointReference.WIRED_TARGET_NOT_FOUND || - endpointReference.getStatus() == EndpointReference.NOT_CONFIGURED){ - // The service is in a remote composite somewhere else in the domain - - // find the service in the endpoint registry - List<Endpoint> endpoints = endpointRegistry.findEndpoint(endpointReference); - - if (endpoints.size() == 0) { - problem = monitor.createProblem(this.getClass().getName(), - "endpoint-validation-messages", - Problem.Severity.ERROR, - this, - "NoEndpointsFound", - endpointReference.toString()); - } - - problem = selectForwardEndpoint(endpointReference, - endpoints); - - if (problem == null && hasCallback(endpointReference)){ - problem = selectCallbackEndpoint(endpointReference, - endpointReference.getReference().getCallbackService().getEndpoints()); - } - } - - if (problem != null){ - monitor.problem(problem); - return false; - } - - if (endpointReference.getStatus() != EndpointReference.WIRED_TARGET_FOUND_AND_MATCHED && - endpointReference.getStatus() != EndpointReference.RESOLVED_BINDING){ - problem = monitor.createProblem(this.getClass().getName(), - "endpoint-validation-messages", - Problem.Severity.ERROR, - this, - "EndpointReferenceCantBeMatched", - endpointReference.toString()); - monitor.problem(problem); - return false; - } - - return true; - - } - - private Problem selectForwardEndpoint(EndpointReference endpointReference, List<Endpoint> endpoints) { - - Endpoint matchedEndpoint = null; - - if (endpointReference.getReference().getName().startsWith("$self$.")){ - // just select the first one and don't do any policy matching - matchedEndpoint = endpoints.get(0); - } else { - // find the first endpoint that matches this endpoint reference - for (Endpoint endpoint : endpoints){ - if (haveMatchingPolicy(endpointReference, endpoint)){ - matchedEndpoint = endpoint; - break; - } - } - } - - if (matchedEndpoint == null){ - return null; - } - - endpointReference.setTargetEndpoint(matchedEndpoint); - endpointReference.setBinding(endpointReference.getTargetEndpoint().getBinding()); - endpointReference.setStatus(EndpointReference.WIRED_TARGET_FOUND_AND_MATCHED); - endpointReference.setUnresolved(false); - - return null; - } - - private boolean hasCallback(EndpointReference endpointReference){ - if (endpointReference.getReference().getInterfaceContract() == null || - endpointReference.getReference().getInterfaceContract().getCallbackInterface() == null || - endpointReference.getReference().getName().startsWith("$self$.")){ - return false; - } else { - return true; - } - } - - private Problem selectCallbackEndpoint(EndpointReference endpointReference, List<Endpoint> endpoints) { - - Problem problem = null; - - // find the first callback endpoint that matches a callback endpoint reference - // at the service - Endpoint matchedEndpoint = null; - match: - for ( EndpointReference callbackEndpointReference : endpointReference.getTargetEndpoint().getCallbackEndpointReferences()){ - for (Endpoint endpoint : endpoints){ - if (haveMatchingPolicy(callbackEndpointReference, endpoint)){ - matchedEndpoint = endpoint; - break match; - } - } - } - - if (matchedEndpoint == null){ - return null; - } - - endpointReference.setCallbackEndpoint(matchedEndpoint); - - return problem; - } - - // FIXME: [rfeng] This implementation is wrong. It is the responsibility of the policy language - // to compare the reference and service side setting to determine if they are compatible. Some of - // policies apply to the reference side only, some of the policies apply to the service side only, - // while others apply to both sides. Even for those policies that apply to both side, they can be - // independent or related. - private boolean haveMatchingPolicy(EndpointReference endpointReference, Endpoint endpoint){ - - /* - // if no policy sets or intents are present then they match - if ((endpointReference.getRequiredIntents().size() == 0) && - (endpoint.getRequiredIntents().size() == 0) && - (endpointReference.getPolicySets().size() == 0) && - (endpoint.getPolicySets().size() == 0)) { - return true; - } - - // if there are different numbers of intents - // then they don't match - if (endpointReference.getRequiredIntents().size() != - endpoint.getRequiredIntents().size()) { - return false; - } - - // if there are different numbers of policy sets - // then they don't match - if (endpointReference.getPolicySets().size() != - endpoint.getPolicySets().size()) { - return false; - } - - // check intents for compatibility - for(Intent intentEPR : endpointReference.getRequiredIntents()){ - boolean matched = false; - for (Intent intentEP : endpoint.getRequiredIntents()){ - if (intentEPR.getName().equals(intentEP.getName())){ - matched = true; - break; - } - } - if (matched == false){ - return false; - } - } - - // check policy sets for compatibility. The list of policy sets - // may be a subset of the list of intents as some of the intents - // may be directly provided. We can't just rely on intent compatibility - // as different policy sets might have been attached at each end to - // satisfy the listed intents - - // if all of the policy sets on the endpoint reference match a - // policy set on the endpoint then they match - for(PolicySet policySetEPR : endpointReference.getPolicySets()){ - boolean matched = false; - for (PolicySet policySetEP : endpoint.getPolicySets()){ - // find if there is a policy set with the same name - if (policySetEPR.getName().equals(policySetEP.getName())){ - matched = true; - break; - } - // find if the policies inside the policy set match the - // policies inside a policy set on the endpoint - - // TODO - need a policy specific matcher to do this - // so need a new extension point - - } - - if (matched == false){ - return false; - } - } - */ - - return true; - } - - public boolean isOutOfDate(EndpointRegistry endpointRegistry, EndpointReference endpointReference) { - Endpoint te = endpointReference.getTargetEndpoint(); - if (!te.isUnresolved() && te.getURI()!= null) { - List<Endpoint> endpoints = endpointRegistry.findEndpoint(endpointReference); - return ! endpoints.contains(endpointReference.getTargetEndpoint()); - } - return false; - } - -} |